| Acronym | Meaning |
 | ECMWF | European Centre For Medium-range Weather Forecasts |
| ITS | Interferometer Thermal Sounder (HIS) |
| UFO | Unidentified Flying Object |
| JSC | Johnson Space Center (NASA |
| AURA | Association Of Universities For Research In Astronomy |
| IRIS | Infrared Radiation Interferometer Spectrometer (1960s) |
| COMET | Cooperative Program For Operational Meteorology Education And Training (NOAA And UCAR) |
| AOS | (Department Of) Atmospheric And Oceanic Sciences |
| HZ | Hertz |
| UHF | Ultra High Frequency |
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